<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>简易计算器</title>
</head>
<body>
    <div id="app">
        <h1>简易计算器</h1>
        <div>
            <span>数值A:</span>
            <span>
                <input type="text" v-model='a'>
            </span>
        </div>
        <div>
            <span>数值B:</span>
            <span>
                <input type="text" v-model='b'>
            </span>
        </div>
        <div>
            <button @click='handle'>计算</button>
        </div>
        <div>
            <span>计算结果：</span>
            <span v-text='result'></span>
        </div>
    </div>
    <script src="./vue.js"></script>
    <script>
        var vm = new Vue({
            el: '#app',
            data: {
              a:'',
              b:'',
              result:''
            },
            methods:{
              handle: function(){
                //   实现计算逻辑
                this.result = parseInt( this.a) * parseInt( this.b);
              }
            }
        });
    </script>
</body>
</html>